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nedo

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Posts posted by nedo

  1. Day to day - Windows( citit, filme, programare, games )

    Time to time Debian 5/ Mandriva one(diverse experimente- + sa invat sa ma descurc si eu prin sistemele linux)

    Le: Hehe wildchild. Da chiar cum instalezi un linux from scratch ? Iei doar kernelul de pe site-ul kernelului(stiu ca au site unde se mentine versiunea actuala si versiunile mai vechi ale kernelului original de linux).

    Le2: am gasit acest site despre cum sa iti construiesti propriul linux doar din surse. Pare interesant pentru cei care ii pasioneaza.

  2. Cred ca s-ar putea sa fie altceva :)

    Nu o capcana ci un mod de recrutare pentru hackeri. Se pare ca de la lupta media a partidelor politice s-ar putea sa se ajunga la o lupta informationala.(Cam exagerat dar you never know.)

    Le: Wildchild ai fost mai rapid decat mine cu ceva secunde :))

    Le2: @ []AnDrEwBoY[], da am observat. Si mi se pare cat de cat logic. E mai usor sa vorbesti in persoana cu niste "hackeri" din judetul tau decat din toata tara nu? Probabil sefii care se ocupa de chestia asta sunt strict din zona respectiva si probabil nu este ceva care sa implice toata tara si nici sa fie stiut de alti psd-isti din restul tarii.(Imi dau si eu cu parerea)

  3. Nu am incercat varianta din wincrypt. Dar incerc sa fac un mic md5 brut forcer momentan :).

    Dar cum sunt incepator am ceva probleme la manipularea string-urilor. Ideea bruteforcerului e sa ia parolele secvential. aaaaa aaaab aaaac ... aaaba smd.

    Inca nu mi-a venit in cap un algoritm indeajuns de simplu pentru a face conversia asta :D

    Totusi cred ca ii dau eu de cap pana la urma :D - este pentru proiectul care a fost propus de cineva mai acum vreo 1 luna legat de un md5 hash cracker client-server :D

  4. Am gasit o clasa pentru creerea usoara si corecta a hash-urilor md5 in c++

    Daca aveti de lucrat la un hash cracker si aveti nevoie de o clasa dar nu aveti chef sa o scrieti voi de la 0 o puteti folosii pe aceasta.

    Doar adaugati md5.h si md5.cpp la sursa voastra si cu asta basta.

    Poate fi utilizata pentru a hash-ui un string sau byte arrays(fisiere)

    mai jos aveti:

    md5.cpp


    /* MD5
    converted to C++ class by Frank Thilo (thilo@unix-ag.org)
    for bzflag (http://www.bzflag.org)

    based on:

    md5.h and md5.c
    reference implemantion of RFC 1321

    Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
    rights reserved.

    License to copy and use this software is granted provided that it
    is identified as the "RSA Data Security, Inc. MD5 Message-Digest
    Algorithm" in all material mentioning or referencing this software
    or this function.

    License is also granted to make and use derivative works provided
    that such works are identified as "derived from the RSA Data
    Security, Inc. MD5 Message-Digest Algorithm" in all material
    mentioning or referencing the derived work.

    RSA Data Security, Inc. makes no representations concerning either
    the merchantability of this software or the suitability of this
    software for any particular purpose. It is provided "as is"
    without express or implied warranty of any kind.

    These notices must be retained in any copies of any part of this
    documentation and/or software.

    */

    /* interface header */
    #include "md5.h"

    /* system implementation headers */
    #include <stdio.h>
    #include <memory.h>


    // Constants for MD5Transform routine.
    #define S11 7
    #define S12 12
    #define S13 17
    #define S14 22
    #define S21 5
    #define S22 9
    #define S23 14
    #define S24 20
    #define S31 4
    #define S32 11
    #define S33 16
    #define S34 23
    #define S41 6
    #define S42 10
    #define S43 15
    #define S44 21

    ///////////////////////////////////////////////

    // F, G, H and I are basic MD5 functions.
    inline MD5::uint4 MD5::F(uint4 x, uint4 y, uint4 z) {
    return x&y | ~x&z;
    }

    inline MD5::uint4 MD5::G(uint4 x, uint4 y, uint4 z) {
    return x&z | y&~z;
    }

    inline MD5::uint4 MD5::H(uint4 x, uint4 y, uint4 z) {
    return x^y^z;
    }

    inline MD5::uint4 MD5::I(uint4 x, uint4 y, uint4 z) {
    return y ^ (x | ~z);
    }

    // rotate_left rotates x left n bits.
    inline MD5::uint4 MD5::rotate_left(uint4 x, int n) {
    return (x << n) | (x >> (32-n));
    }

    // FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
    // Rotation is separate from addition to prevent recomputation.
    inline void MD5::FF(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac) {
    a = rotate_left(a+ F(b,c,d) + x + ac, s) + b;
    }

    inline void MD5::GG(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac) {
    a = rotate_left(a + G(b,c,d) + x + ac, s) + b;
    }

    inline void MD5::HH(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac) {
    a = rotate_left(a + H(b,c,d) + x + ac, s) + b;
    }

    inline void MD5::II(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac) {
    a = rotate_left(a + I(b,c,d) + x + ac, s) + b;
    }

    //////////////////////////////////////////////

    // default ctor, just initailize
    MD5::MD5()
    {
    init();
    }

    //////////////////////////////////////////////

    // nifty shortcut ctor, compute MD5 for string and finalize it right away
    MD5::MD5(const std::string &text)
    {
    init();
    update(text.c_str(), text.length());
    finalize();
    }

    //////////////////////////////

    void MD5::init()
    {
    finalized=false;

    count[0] = 0;
    count[1] = 0;

    // load magic initialization constants.
    state[0] = 0x67452301;
    state[1] = 0xefcdab89;
    state[2] = 0x98badcfe;
    state[3] = 0x10325476;
    }

    //////////////////////////////

    // decodes input (unsigned char) into output (uint4). Assumes len is a multiple of 4.
    void MD5::decode(uint4 output[], const uint1 input[], size_type len)
    {
    for (unsigned int i = 0, j = 0; j < len; i++, j += 4)
    output[i] = ((uint4)input[j]) | (((uint4)input[j+1]) << 8) |
    (((uint4)input[j+2]) << 16) | (((uint4)input[j+3]) << 24);
    }

    //////////////////////////////

    // encodes input (uint4) into output (unsigned char). Assumes len is
    // a multiple of 4.
    void MD5::encode(uint1 output[], const uint4 input[], size_type len)
    {
    for (size_type i = 0, j = 0; j < len; i++, j += 4) {
    output[j] = input[i] & 0xff;
    output[j+1] = (input[i] >> 8) & 0xff;
    output[j+2] = (input[i] >> 16) & 0xff;
    output[j+3] = (input[i] >> 24) & 0xff;
    }
    }

    //////////////////////////////

    // apply MD5 algo on a block
    void MD5::transform(const uint1 block[blocksize])
    {
    uint4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
    decode (x, block, blocksize);

    /* Round 1 */
    FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
    FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
    FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
    FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
    FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
    FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
    FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
    FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
    FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
    FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
    FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
    FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
    FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
    FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
    FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
    FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */

    /* Round 2 */
    GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
    GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
    GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
    GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
    GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
    GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
    GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
    GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
    GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
    GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
    GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
    GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
    GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
    GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
    GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
    GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */

    /* Round 3 */
    HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
    HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
    HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
    HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
    HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
    HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
    HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
    HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
    HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
    HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
    HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
    HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
    HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
    HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
    HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
    HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */

    /* Round 4 */
    II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
    II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
    II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
    II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
    II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
    II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
    II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
    II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
    II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
    II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
    II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
    II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
    II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
    II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
    II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
    II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */

    state[0] += a;
    state[1] += b;
    state[2] += c;
    state[3] += d;

    // Zeroize sensitive information.
    memset(x, 0, sizeof x);
    }

    //////////////////////////////

    // MD5 block update operation. Continues an MD5 message-digest
    // operation, processing another message block
    void MD5::update(const unsigned char input[], size_type length)
    {
    // compute number of bytes mod 64
    size_type index = count[0] / 8 % blocksize;

    // Update number of bits
    if ((count[0] += (length << 3)) < (length << 3))
    count[1]++;
    count[1] += (length >> 29);

    // number of bytes we need to fill in buffer
    size_type firstpart = 64 - index;

    size_type i;

    // transform as many times as possible.
    if (length >= firstpart)
    {
    // fill buffer first, transform
    memcpy(&buffer[index], input, firstpart);
    transform(buffer);

    // transform chunks of blocksize (64 bytes)
    for (i = firstpart; i + blocksize <= length; i += blocksize)
    transform(&input[i]);

    index = 0;
    }
    else
    i = 0;

    // buffer remaining input
    memcpy(&buffer[index], &input[i], length-i);
    }

    //////////////////////////////

    // for convenience provide a verson with signed char
    void MD5::update(const char input[], size_type length)
    {
    update((const unsigned char*)input, length);
    }

    //////////////////////////////

    // MD5 finalization. Ends an MD5 message-digest operation, writing the
    // the message digest and zeroizing the context.
    MD5& MD5::finalize()
    {
    static unsigned char padding[64] = {
    0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
    };

    if (!finalized) {
    // Save number of bits
    unsigned char bits[8];
    encode(bits, count, 8);

    // pad out to 56 mod 64.
    size_type index = count[0] / 8 % 64;
    size_type padLen = (index < 56) ? (56 - index) : (120 - index);
    update(padding, padLen);

    // Append length (before padding)
    update(bits, 8);

    // Store state in digest
    encode(digest, state, 16);

    // Zeroize sensitive information.
    memset(buffer, 0, sizeof buffer);
    memset(count, 0, sizeof count);

    finalized=true;
    }

    return *this;
    }

    //////////////////////////////

    // return hex representation of digest as string
    std::string MD5::hexdigest() const
    {
    if (!finalized)
    return "";

    char buf[33];
    for (int i=0; i<16; i++)
    sprintf(buf+i*2, "%02x", digest[i]);
    buf[32]=0;

    return std::string(buf);
    }

    //////////////////////////////

    std::ostream& operator<<(std::ostream& out, MD5 md5)
    {
    return out << md5.hexdigest();
    }

    //////////////////////////////

    std::string md5(const std::string str)
    {
    MD5 md5 = MD5(str);

    return md5.hexdigest();
    }

    md5.h


    /* MD5
    converted to C++ class by Frank Thilo (thilo@unix-ag.org)
    for bzflag (http://www.bzflag.org)

    based on:

    md5.h and md5.c
    reference implementation of RFC 1321

    Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
    rights reserved.

    License to copy and use this software is granted provided that it
    is identified as the "RSA Data Security, Inc. MD5 Message-Digest
    Algorithm" in all material mentioning or referencing this software
    or this function.

    License is also granted to make and use derivative works provided
    that such works are identified as "derived from the RSA Data
    Security, Inc. MD5 Message-Digest Algorithm" in all material
    mentioning or referencing the derived work.

    RSA Data Security, Inc. makes no representations concerning either
    the merchantability of this software or the suitability of this
    software for any particular purpose. It is provided "as is"
    without express or implied warranty of any kind.

    These notices must be retained in any copies of any part of this
    documentation and/or software.

    */

    #ifndef BZF_MD5_H
    #define BZF_MD5_H

    #include <string>
    #include <iostream>


    // a small class for calculating MD5 hashes of strings or byte arrays
    // it is not meant to be fast or secure
    //
    // usage: 1) feed it blocks of uchars with update()
    // 2) finalize()
    // 3) get hexdigest() string
    // or
    // MD5(std::string).hexdigest()
    //
    // assumes that char is 8 bit and int is 32 bit
    class MD5
    {
    public:
    typedef unsigned int size_type; // must be 32bit

    MD5();
    MD5(const std::string& text);
    void update(const unsigned char *buf, size_type length);
    void update(const char *buf, size_type length);
    MD5& finalize();
    std::string hexdigest() const;
    friend std::ostream& operator<<(std::ostream&, MD5 md5);

    private:
    void init();
    typedef unsigned char uint1; // 8bit
    typedef unsigned int uint4; // 32bit
    enum {blocksize = 64}; // VC6 won't eat a const static int here

    void transform(const uint1 block[blocksize]);
    static void decode(uint4 output[], const uint1 input[], size_type len);
    static void encode(uint1 output[], const uint4 input[], size_type len);

    bool finalized;
    uint1 buffer[blocksize]; // bytes that didn't fit in last 64 byte chunk
    uint4 count[2]; // 64bit counter for number of bits (lo, hi)
    uint4 state[4]; // digest so far
    uint1 digest[16]; // the result

    // low level logic operations
    static inline uint4 F(uint4 x, uint4 y, uint4 z);
    static inline uint4 G(uint4 x, uint4 y, uint4 z);
    static inline uint4 H(uint4 x, uint4 y, uint4 z);
    static inline uint4 I(uint4 x, uint4 y, uint4 z);
    static inline uint4 rotate_left(uint4 x, int n);
    static inline void FF(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac);
    static inline void GG(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac);
    static inline void HH(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac);
    static inline void II(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac);
    };

    std::string md5(const std::string str);

    #endif

    sursa aici .

    Sper sa va ajute.

  5. O singura problema.(Aviz celor anti robotzi , nu e treaba ca imi plac sau nu ci doar ca ar fi mai normal sa fie link catre site-ul lor nu catre un reupload de calitate slaba)

    De ce anume nu ai postat embeded dupa site-ul celor de la creativemonkeyz ? Din cauza celor care fac ce tocmai ai facut tu nu mai posteaza filmuletele pe youtube. Ceea ce faci tu este mai mult sau mai putin furt deoarece le furi vizitatori - deci posibil bani.

    In rest pare ok site-ul.

  6. Sugerez sa limitezi numarul de posturi pe care ti le afiseaza pe pagina principala, deoarece se incarca foarte greu probabil din cauza numarului mare de imagini de calitate ridicata.

    Blog-ul in rest este ok.

  7. @ alexyo21: skuNk a postat numai "multumesc" pe vreo 9 topicuri pentru a putea face o cerere.

    On. Sa inteleg. Ratul este facut sa poata fi controlat dupa iphone(varianta corecta cred) sau este facut sa poata controla un iphone?

  8. De fapt acela este un mesaj de eroare costum, si criptat. Chestia aia o trimiti la ei la suport in cazul in care chestia se repeta prea des. Nu ai de ce sa te alarmezi. A mai fost postat acum vreo cateva luni.

  9. @on topic: Cererea se pare ca a fost onorata deci topicul nu mai are rost sa fie lasat deschis. Perl udp.pl te rog sa solicit inchiderea acestui topic.(Doar utilizatorul care a deschis un topic poate solicita inchiderea lui)

    @offtopic: @ MagicThunder. Este la market. Are voie sa solicite cam orice doreste inclusiv aflarea parolei unei adrese de mail. Nu este cazul sa faci offtopic si aici.

    @ perl udp.pl : Nu e cazul sa ai replici de genul "buzguree......wtf?? dute sii vezii de treaba ta!" fata de tinta ta mai ales ca nu esti tu cel care a facut treaba murdara.

    @SilentPH & Petzi nu mai postati aiurea, in special aici(cititi regula numarul 8 din Regulamentul RST Market

    @buzguree: Citeste regula nr. 19 din Regulamentul forumului RST

  10. Mersi usr6, salvat, de unele dintre ele nu stiam. Process explorerul autoruns, regshot, wireshark, anubis, plus inca vreo 2-3 programe le utilizam eu. De restul nu stiam.

    Le: IceSword din cate imi aduc aminte era utilizat pentru detectie root-kits. O sa ma documentez mai mult legat de el.

  11. Felul cum este creierul facut. Psihicul uman este impartit in 2. Multe din chestiile pe care le facem le facem in mod subconstient. Inclusiv cand cautam un obiect. Subconstienul lucreaza intr-un mod mult mai ciudat decat constientul asa ca e mai greu de inteles. Lipsa de concentrare poate fii un motiv. Dar lipsa de concentrare de fapt inseamna o schimbare in chimia creierului. In momentul in care apare orice proces in creier, acesta implica tot felul de chimicare, hormoni. Exista hormoni care ajuta la recuperarea informatiilor din neuroni. Din cate imi aduc aminte informatiile sunt stocate intr-o substanta care inconjoara conexiunile dintre sinapse. Pentru a recupera informatii din acel loc un hormon trebuie sa ajunga acolo si sa actioneze asupra acelei substante. Daca hormonul respectiv nu poate ajunge acolo nu iti aduci aminte. La fel este si cu vazutul. Hormonii respectivi nu ajung unde trebuie in creier pentru ca informatia sa fie constientizata.

  12. Probabil problema e in felul urmator. Dupa cum a spus dragosh1904 la cazul 1.

    In mod subconstient excluzi posibilitatea ca scrumiera sa fie pe masa in fata ta. Din moment ce creierul exclude posibilitatea asta nici nu observa ca scrumiera este acolo. Pur si simplu nu o vezi, in cazul in care te uiti acolo apare ca un scurt circuit in creier si nu observi scrumiera. Dar asta dureaza doar cat tot procesul se intampla in subconstient. Daca procesul este transferat in sfera constienta(cineva iti atrage atentia ca e in fata ta) atunci scurt-circuitul dispare si realizezi asta. Probabil la fel se intampla si cand uiti cate un cuvant. Calea pana la locul unde este stocat cuvantul este blocata. Poti considera creierul ca pe o mare retea. Poti poate sa il compari cu internetul din ziua de astazi. In loc sa incerci sa ajungi la un site incerci sa ajungi la un cuvant. Daca sinapsele pana la acel cuvant(legatura intre ip-uri pana la acel server) nu se pot conecta nu poti gasii cuvantul, si este nevoie uneori sa ocolesti. Pe internet chestia asta se intampla foarte des si foarte repede, dar in creierul nostru dureaza mai mult.

  13. Cu visual basic poti face destul de multe chestii. Poti face un program cu care sa te conectezi la diferite baze de date, poti sa faci un troian, poti face un joc, poti face cam orice poti face cu un alt limbaj de programare.

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